diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3bc77d01..2c456056 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,10 +8,10 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        jdk: [17] #, 21]
+        jdk: [17, 21, 23]
         os: [ubuntu-latest, windows-latest] #, macos-13]
       fail-fast: false
-      max-parallel: 4
+      max-parallel: 6
     timeout-minutes: 30
 
     steps:
diff --git a/README.md b/README.md
index e10c98d4..455e8348 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # JPro Platform
-![Build](https://github.com/jpro-one/jpro-platform/actions/workflows/linux.yml/badge.svg)
+![Build](https://github.com/jpro-one/jpro-platform/actions/workflows/main.yml/badge.svg)
 [![JPro supported](https://img.shields.io/badge/JPro-supported-brightgreen.svg)](https://www.jpro.one/)
 
 The JPro Platform represents the foundation of cross-platform application development,
diff --git a/jpro-mail/build.gradle b/jpro-mail/build.gradle
index 7238f08f..2f64c336 100644
--- a/jpro-mail/build.gradle
+++ b/jpro-mail/build.gradle
@@ -5,4 +5,13 @@ dependencies {
     api "org.eclipse.collections:eclipse-collections-api:$ECLIPSE_COLLECTIONS_VERSION"
     implementation "org.eclipse.collections:eclipse-collections:$ECLIPSE_COLLECTIONS_VERSION"
     api "org.slf4j:slf4j-api:$SLF4J_API_VERSION"
+}
+
+javadoc {
+    options {
+        encoding = 'UTF-8'
+        version = true
+        author = true
+//        addStringOption('Xdoclint:none', '-quiet')
+    }
 }
\ No newline at end of file
diff --git a/jpro-mdfx/build.gradle b/jpro-mdfx/build.gradle
index 608d93ea..93470306 100644
--- a/jpro-mdfx/build.gradle
+++ b/jpro-mdfx/build.gradle
@@ -1,20 +1,20 @@
 plugins {
-  id 'org.javamodularity.moduleplugin' version "$MODULE_PLUGIN_VERSION"
+    id 'org.javamodularity.moduleplugin' version "$MODULE_PLUGIN_VERSION"
 }
 
 dependencies {
-  implementation project(':jpro-youtube')
-  implementation "com.vladsch.flexmark:flexmark-ext-gfm-strikethrough:$FLEXMARK_VERSION"
-  implementation "com.vladsch.flexmark:flexmark-ext-gfm-tasklist:$FLEXMARK_VERSION"
-  implementation "com.vladsch.flexmark:flexmark-ext-tables:$FLEXMARK_VERSION"
-  implementation "com.vladsch.flexmark:flexmark-ext-attributes:$FLEXMARK_VERSION"
+    implementation project(':jpro-youtube')
+    implementation "com.vladsch.flexmark:flexmark-ext-gfm-strikethrough:$FLEXMARK_VERSION"
+    implementation "com.vladsch.flexmark:flexmark-ext-gfm-tasklist:$FLEXMARK_VERSION"
+    implementation "com.vladsch.flexmark:flexmark-ext-tables:$FLEXMARK_VERSION"
+    implementation "com.vladsch.flexmark:flexmark-ext-attributes:$FLEXMARK_VERSION"
 }
 
 javadoc {
-  options {
-    encoding = 'UTF-8'
-    version = true
-    author = true
-//        addStringOption('Xdoclint:none', '-quiet')
-  }
+    options {
+      encoding = 'UTF-8'
+      version = true
+      author = true
+  //    addStringOption('Xdoclint:none', '-quiet')
+    }
 }
\ No newline at end of file